Method of making silicon photovoltaic cells

Details Method of making silicon photovoltaic cells Method of making silicon photovoltaic cells

1978-11-13

1980-12-16

Hoffman, James R.

Coating processes

Electrical product produced

Photoelectric

148185, 204192P, 427 74, H01L 3118

Patent

active

042398100

ABSTRACT:
A method of making silicon solar cells and other silicon photovoltaic cells. The method includes the steps of forming a silicon element having a metallic electrode coating on one surface of the element, applying to the other surface of the element a coating containing aluminum and silicon and heating the coated element at a temperature below the eutectic temperature of aluminum-silicon to form an antireflective coating of a fine matrix of silicon pyramids doped with aluminum. The matrix formed on the surface of the silicon has an overlying aluminum coating. A portion of the aluminum coating is removed to expose the matrix for use as a photovoltaic cell.

REFERENCES:
patent: 3413157 (1968-11-01), Kuiper
patent: 3755015 (1973-08-01), Redington
patent: 3772768 (1973-11-01), Fisher
patent: 3895975 (1975-07-01), Lindmayer
patent: 3990097 (1976-11-01), Lindmayer
patent: 4012235 (1977-03-01), Mayer

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